The U.S. embassy in Cairo released the following statement:
The Embassy of the United States in Cairo condemns the continuing efforts by misguided individuals to hurt the religious feelings of Muslims – as we condemn efforts to offend believers of all religions. Today, the 11th anniversary of the September 11, 2001 terrorist attacks on the United States, Americans are honoring our patriots and those who serve our nation as the fitting response to the enemies of democracy. Respect for religious beliefs is a cornerstone of American democracy. We firmly reject the actions by those who abuse the universal right of free speech to hurt the religious beliefs of others
Meanwhile, a mob of Egyptians climbed the walls of the embassy and tore down the American flag. Reuters reports:
Egyptian protesters scaled the walls of the U.S. embassy in Cairo on Tuesday and pulled down the American flag during a protest over what they said was a film being produced in the United States that insulted Prophet Mohammad, witnesses said.
In place of the U.S. flag, the protesters tried to raise a black flag with the words "There is no God but Allah and Mohammad is his messenger", a Reuters reporter said.
Once the U.S. flag was hauled down, protesters tore it up, with some showing off small pieces to television cameras. Then others burned remains.
"This movie must be banned immediately and an apology should be made ... This is a disgrace," said 19-year-old, Ismail Mahmoud, a member of the so-called "ultras" soccer supporters who played a big role in the uprising that brought down Hosni Mubarak last year.